<template>
	<!--地址picker-->
	<view :status="checkStatus" v-if="lotusAddressData.visible" class="lotus-address-mask">
		<view class="lotus-address-box">
			<view class="lotus-address-action">
				<text @click="cancelPicker" class="lotus-address-action-cancel">取消</text>
				<text @click="chosedVal" class="lotus-address-action-affirm">确认</text>
			</view>
			<view class="lotus-address-picker-box">
				<!--省-->
				<scroll-view scroll-y :scroll-into-view="'pid'+pChoseIndex" class="lotus-address-picker-box-item">
					<view @click="clickPicker(0,pIndex,pItem);" :id="'pid'+pIndex" :class="pIndex === pChoseIndex?'lotus-address-picker lotus-address-picker2':'lotus-address-picker'"
					 v-for="(pItem,pIndex) in province" :key="pIndex">{{pItem}}
					</view>
				</scroll-view>
				<!--市-->
				<scroll-view scroll-y :scroll-into-view="'cid'+cChoseIndex" class="lotus-address-picker-box-item">
					<view @click="clickPicker(1,cIndex,cItem);" :id="'cid'+cIndex" :class="cIndex === cChoseIndex?'lotus-address-picker lotus-address-picker2':'lotus-address-picker'"
					 v-for="(cItem,cIndex) in city" :key="cIndex">{{cItem}}
					</view>
				</scroll-view>
				<!--区-->
				<scroll-view scroll-y :scroll-into-view="'tid'+tChoseIndex" class="lotus-address-picker-box-item">
					<view @click="clickPicker(2,tIndex,tItem);" :id="'tid'+tIndex" :class="tIndex === tChoseIndex?'lotus-address-picker lotus-address-picker2':'lotus-address-picker'"
					 v-for="(tItem,tIndex) in town" :key="tIndex">{{tItem}}
					</view>
				</scroll-view>
				<!--区END-->
			</view>
		</view>
	</view>
	<!--地址picker END-->
</template>

<script>
	import {
		lotusAddressJson
	} from "./uni-lotusAddress.js"
	export default {
		props: ['lotusAddressData'],
		data() {
			return {
				visible: false,
				province: [],
				city: [],
				town: [],
				provinceName: '',
				cityName: '',
				townName: '',
				type: 0, //0新增1编辑
				pChoseIndex: -1,
				cChoseIndex: -1,
				tChoseIndex: -1,
			}
		},
		methods: {
			//取消
			cancelPicker() {
				const provinceCode = this.getTarId(this.provinceName)
				const cityCode = this.getTarId(this.cityName)
				const townCode = this.getTarId(this.townName)
				this.$emit("choseVal", {
					province: this.provinceName,
					provinceCode,
					city: this.cityName,
					cityCode,
					town: this.townName,
					townCode,
					isChose: 0,
					visible: false
				})
			},
			//获取最后选择的省市区的值
			chosedVal() {
				this.type = 1
				const provinceCode = this.getTarId(this.provinceName)
				const cityCode = this.getTarId(this.cityName)
				const townCode = this.getTarId(this.townName)
				this.$emit("choseVal", {
					province: this.provinceName,
					provinceCode,
					city: this.cityName,
					cityCode,
					town: this.townName,
					townCode,
					isChose: 1,
					visible: false
				})
			},
			//获取省市区value
			getTarId(name, type) {
				let id = 0
				const _this = this
				lotusAddressJson.map((item, index) => {
					if (item.name === name) {
						id = item.value
					}
				})
				return id
			},
			//获取市数据
			getCityArr(parentId) {
				let city = []
				lotusAddressJson.map((item, index) => {
					if (item.parent === parentId) {
						city.push(item.name)
					}
				})
				return city
			},
			//获取区数据
			getTownArr(parentId) {
				let town = []
				lotusAddressJson.map((item, index) => {
					if (index > 34 && item.parent === parentId) {
						town.push(item.name)
					}
				})
				return town
			},
			//初始化数据
			initFn() {
				lotusAddressJson.map((item, index) => {
					if (index <= 34) {
						this.province.push(item.name)
					}
				})
				//已选择省市区，高亮显示对应选择省市区
				const p = this._props.lotusAddressData.provinceName
				const c = this._props.lotusAddressData.cityName
				const t = this._props.lotusAddressData.townName
				if (p) {
					this.pChoseIndex = this.getTarIndex(this.province, p)
				}
				if (p && c) {
					const pid = this.getTarId(p)
					this.city = this.getCityArr(pid)
					this.cChoseIndex = this.getTarIndex(this.city, c)
				}
				if (p && c && t) {
					const cid = this.getTarId(c)
					this.town = this.getTownArr(cid)
					this.tChoseIndex = this.getTarIndex(this.town, t)
				}
			},
			//获取已选省市区
			getChosedData() {
				const pid = this.getTarId(this.provinceName, 'province')
				this.city = this.getCityArr(pid)
				const cid = this.getTarId(this.cityName, 'city')
				this.town = this.getTownArr(cid)
				//已选省市区获取对应index
				if (this.provinceName) {
					this.pChoseIndex = this.getTarIndex(this.province, this.provinceName)
				}
				if (this.cityName) {
					this.cChoseIndex = this.getTarIndex(this.city, this.cityName)
				}
				if (this.townName) {
					this.tChoseIndex = this.getTarIndex(this.town, this.townName)
				}
			},
			//选择省市区交互
			clickPicker(type, index, name) {
				//省
				if (type === 0) {
					this.pChoseIndex = index
					this.provinceName = name
					this.cChoseIndex = -1
					this.tChoseIndex = -1
					this.cityName = ''
					this.townName = ''
				}
				//市
				if (type === 1) {
					this.cChoseIndex = index
					this.cityName = name
					this.tChoseIndex = -1
					this.townName = ''
				}
				//区
				if (type === 2) {
					this.tChoseIndex = index
					this.townName = name
				}
				//获取省市区数据
				this.getChosedData()
			},
			//获取已选省市区index
			getTarIndex(arr, tarName) {
				let cIndex = 0
				arr.map((item, index) => {
					if (item === tarName) {
						cIndex = index
					}
				})
				return cIndex
			}
		},
		created() {
			this.provinceName = this._props.lotusAddressData.provinceName
			this.cityName = this._props.lotusAddressData.cityName
			this.townName = this._props.lotusAddressData.townName
		},
		computed: {
			checkStatus() {
				let t = null
				const _this = this
				if (!_this.visible) {
					_this.initFn()
					_this.visible = _this._props.lotusAddressData.visible
					t = _this.visible
				}
				return t
			}
		}
	}
</script>

<style lang="scss">
	.lotus-address-picker {
		font-size: 26upx;
		padding-top: 30upx;
		overflow: hidden;
		text-overflow: ellipsis;
		display: -webkit-box;
		-webkit-line-clamp: 1;
		-webkit-box-orient: vertical;
		line-height: normal;
		padding-right: 30upx;
		box-sizing: border-box;
	}

	.lotus-address-picker-box {
		/*display: -webkit-box;
	display: -webkit-flex;*/
		display: flex;
		align-items: center;
		justify-content: center;
		justify-content: flex-start;
		padding-top: 10upx;
		padding-bottom: 10upx;
	}

	.lotus-address-picker-box-item {
		height: 600upx;
		overflow-y: auto;
		width: 33.333%;
		padding-left: 20upx;
		padding-right: 20upx;
		box-sizing: border-box;
	}

	.lotus-address-picker2 {
		color: #e93b3d;
		position: relative;
	}

	.lotus-address-picker2:after {
		content: '';
		position: absolute;
		right: 0;
		top: 65%;
		transform: translateY(-35%) rotate(-45deg);
		width: 20upx;
		height: 10upx;
		border-left-width: 4upx;
		border-bottom-width: 4upx;
		border-left-style: solid;
		border-bottom-style: solid;
		border-left-color: #e93b3d;
		border-bottom-color: #e93b3d;
	}

	.lotus-address-mask {
		position: fixed;
		left: 0;
		top: 0;
		width: 100%;
		height: 100%;
		z-index: 999;
		background: rgba(0, 0, 0, 0.5);
	}

	.lotus-address-box {
		background: #fff;
		position: absolute;
		left: 0;
		bottom: 0;
		width: 100%;
		height: auto;
	}

	.lotus-address-action {
		font-size: 30upx;
		/*display: -webkit-box;
	display: -webkit-flex;*/
		display: flex;
		align-items: center;
		justify-content: center;
		justify-content: space-between;
		padding: 25upx 30upx;
		position: relative;
	}

	.lotus-address-action:after {
		content: " ";
		position: absolute;
		left: 0;
		top: 0;
		right: 0;
		height: 1upx;
		border-top: 1upx solid #eee;
		color: #eee;
		transform-origin: 0 0;
		transform: scaleY(0.5);
	}

	.lotus-address-action:before {
		content: " ";
		position: absolute;
		left: 0;
		bottom: 0;
		right: 0;
		height: 1upx;
		border-bottom: 1upx solid #eee;
		color: #eee;
		transform-origin: 0 100%;
		transform: scaleY(0.5);
	}

	.lotus-address-action-cancel {
		color: #969696;
	}

	.lotus-address-action-affirm {
		color: #e93b3d;
	}
</style>
